Cotonou Weather in March
March in Cotonou typically sees daytime highs of 31°C (88°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Cotonou in March
Records from the past 30 years suggest around 6 days of rain, with 65 mm (2.6 in) average for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Cotonou in March
In March, Cotonou gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 27°C (81°F). It's usually most comfortable outside during the morning and later in the day. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help. Although these are the average temperatures, expect warmer days occasionally. Wear cool clothing and stay hydrated to manage the heat.
Sunshine in Cotonou in March
Expect sunny days throughout the month, with an estimated 223 hours of sunshine. This makes it a pleasant time to visit Cotonou.
Wind Speed in Cotonou in March
March has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in March
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you prefer dry days with pleasant temperatures, August typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Benin, check out our Cotonou's climate page.
Cotonou Temperature in March
Min Temperature
27°C (81°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F)
Chance of Rain
21%
Precipitation
65 mm (2.6 in)
Rainy days
6 days
Humidity
80%
Windspeed
5 m/s (10 knots)
Sunshine
223 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cotonou typically stay consistent throughout March, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Cotonou in March
Browse day-by-day weather records for Cotonou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cotonou historical weather extremes in March
Based on 25 years of weather observations in Cotonou between 2001 and 2026, these are the recorded extremes.
- Cotonou recorded its highest March temperature of 40°C (104°F) on March 10, 2021.
- The lowest daytime temperature in March was 27°C (81°F), recorded on March 31, 2015.
- Cotonou registered its coldest March night on March 20, 2017, with temperatures dropping to 21°C (70°F).
Best Places in Benin in March
Find out more about the weather in Benin and which places have the best travel conditions in this month. See all of Benin in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cotonou in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Cotonou in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Benin, check out our Cotonou's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cotonou climate overview or explore weather in Benin.
